Fix delete & re-add icon to CMAKE

Author: Philip-Scott

data/CMakeLists.txt

@@ -7,6 +7,9 @@ file(GLOB ASSETS_FILES ${CMAKE_CURRENT_SOURCE_DIR}/assets)
 install(DIRECTORY ${ASSETS_FILES}
         DESTINATION ${PKGDATADIR})
 
+install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/com.github.philip-scott.spice-up.svg
+        DESTINATION ${CMAKE_INSTALL_FULL_DATAROOTDIR}/icons/hicolor/scalable/apps/)
+
 # install the appdata
 install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/com.github.philip-scott.spice-up.appdata.xml
         DESTINATION ${CMAKE_INSTALL_FULL_DATAROOTDIR}/metainfo/)

src/Window.vala

@@ -258,9 +258,10 @@ public class Spice.Window : Gtk.ApplicationWindow {
                     slide_manager.current_slide.delete ();
                 }
             }
+            return true;
         }
 
-        return true;
+        return false;
     }
 
     private bool next_slide () {